Base | Representation |
---|---|
bin | 110001000010… |
… | …110000110111 |
3 | 220012011122001 |
4 | 301002300313 |
5 | 11242401000 |
6 | 1135320131 |
7 | 214164100 |
oct | 61026067 |
9 | 26164561 |
10 | 12856375 |
11 | 7291204 |
12 | 4380047 |
13 | 2881a2c |
14 | 19c93a7 |
15 | 11de46a |
hex | c42c37 |
12856375 has 24 divisors (see below), whose sum is σ = 18673200. Its totient is φ = 8811600.
The previous prime is 12856373. The next prime is 12856387. The reversal of 12856375 is 57365821.
12856375 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12856375 - 21 = 12856373 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12856373) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5076 + ... + 7174.
It is an arithmetic number, because the mean of its divisors is an integer number (778050).
Almost surely, 212856375 is an apocalyptic number.
12856375 is a deficient number, since it is larger than the sum of its proper divisors (5816825).
12856375 is an equidigital number, since it uses as much as digits as its factorization.
12856375 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2128 (or 2111 counting only the distinct ones).
The product of its digits is 50400, while the sum is 37.
The square root of 12856375 is about 3585.5787538416. The cubic root of 12856375 is about 234.2643359045.
It can be divided in two parts, 12856 and 375, that added together give a palindrome (13231).
The spelling of 12856375 in words is "twelve million, eight hundred fifty-six thousand, three hundred seventy-five".
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